Despite a $45 million net worth, Big Bang Theory star Kunal Nayyar still works tough, 16-hour days—he repeats this mantra when he’s overwhelmed

Even with a $45 million net worth, fame, and a dream career, Big Bang Theory star Kunal Nayyar still has tough days. Just like Jeff Bezos and Melinda French Gates, Nayyar tells Fortune he uses a personal mantra to cope.